[1] LI Ying, CHEN Lian-shou, LEI Xiao-tu. Moisture potential vorticity analysis on the extratropical transition processes of Winnie (1997) and Bilis (2000) [J]. J. Trop. Meteor., 2005, 21(2): 142-152.
[2] ZHAO Yu, WU Zeng-mao, LIU Shi-jun, et al. Potential vorticity analysis of an torrential rain triggred by a neutercane in Shandong province [J]. J. Trop. Meteor., 2005, 21(1): 33-43.
[3] LAI Shao-jun, HE Fen, ZHAO Ru-ting, et al. The diagnostic analysis of “Longwang” typhoon [J]. Sci. Meteor. Sinica, 2007, 27(3): 266-271.
[4] WU Guo-xiong, CAI Ya-ping, TANG Xiao-jing. Moist potential vorticity and slantwise vorticity development [J]. Acta Meteor. Sinica, 1995, 53(4): 387-398.
[5] ZHANG Duan-yu, DING Zhi-ying, ZHANG Xing-qiang, et al. Relationship between MPV and Meiyu rainstorms in 2003 in Jianghuai area [J]. J. Nanjing Inst. Meteor., 2006, 29(4): 526-532.
[6] WANG Yi-ping, LU Wei-song, PAN Yi-nong, et al. Numerical simulation of a torrential rain in the northeast of Huaihe basin part II: Instability conditions and the mechanism of intensification and maintenance [J]. Acta Meteor. Sinica, 2008(2): 177-188.
[7] REN Yu-long, SHOU Shao-wen, LI Yao-hui. Numerical simulation and moist potential vorticity diagnostic analyses of a heavy rain process in eastern part of Northwest China [J]. Plateau Meteor., 2007, 26(2): 344-352.
[8] FAN Ke, JU Jian-hua. Application of potential vorticity diagnoses in Yunnan summer heavy rain forecasting [J]. Plateau Meteor., 2004, 23(3): 387-392.
[9] MENG Wei-guang, WANG An-yu, LI Jiang-nan, et al. Moist potential vorticity analysis of the heavy rainfall and mesoscale convective systems in South China [J]. Chin. J. Atmos. Sci., 2004, 28(3): 330-341.
[10] WEN Li-juan, CHENG Lin-sheng, ZUO Hong-chao, et al. “98.5” diagnostic analysis of moist potential vorticity anomaly during the May 1998 heavy rainfall of South China in the flood season [J]. J. Trop. Meteor., 2006, 22(5): 447-453.
[11] XIA Ru-di, ZHAO Si-xiong, SUN Jian-hua. A study of circumstances of meso-β-scale systems of strong heavy rainfall in warm sector ahead of fronts in South China [J]. Chin. J. Atmos. Sci., 2006, 30(5): 989-1008.
[12] JEREMY S G, WILLAM A G Jr., STEVEN E K et al. The use of a modified Ebert�CMcBride technique to evaluate mesoscale model QPF as a function of convective system morphology during IHOP 2002 [J]. Wea. and Forecasting, 2006, 21(3): 288-306.